.container_left {
	display: none;
	position: fixed;
	left: 0;
	top: 15%;
	z-index: 999;
	width: 200px;
	height: 500px;
	background-color: rgba(255, 255, 255, 0.9);
	border-top-right-radius: 10px;
}
/* 目录树 */
.container_left_control {
	position: fixed;
	left: 0px;
	top: 50%;
	width: 24px;
	height: 56px;
	line-height: 56px;
	background-color: rgba(143, 143, 143, 0.8);
	border-radius: 0 15px 15px 0;
	cursor: pointer;
	z-index: 999;
}
.container_left_title {
	padding: 10px 20px;
	font-weight: 500;
	color: #fff;
	background-color: rgba(64, 158, 255);
	border-top-right-radius: 10px;
}
.container_left_title p {
	margin-bottom: 0;
}
.container_left_content ul {
	padding-left: 20px;
	padding-bottom: 10px;
}
.container_left_content li {
	padding: 5px 0;
}
